/*--------------------------------------------*/
// aes_ecbl.cl
/*--------------------------------------------*/

#define WG_SIZE 256


// Tabular Rijndael exponentiation
__constant unsigned char RCON[256] = {
   0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36,
   };
   // Only 10 values used by AES-128
   /*0x6c, 0xd8, 0xab, 0x4d, 0x9a, 
   0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 
   0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 
   0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 
   0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 
   0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 
   0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 
   0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 
   0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 
   0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 
   0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 
   0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 
   0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 
   0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 
   0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 
   0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d};*/

// Forward  S-BOX 
__constant unsigned char SBOX[256] = {
   0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76,
   0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0, 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0,
   0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC, 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15,
   0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A, 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75,
   0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0, 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84,
   0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B, 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF,
   0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85, 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8,
   0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5, 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2,
   0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17, 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73,
   0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88, 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB,
   0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C, 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79,
   0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9, 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08,
   0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6, 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A,
   0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E, 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E,
   0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94, 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF,
   0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68, 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16
};


// Lookup-table used for fast 32-bit AES encryption
__constant unsigned int T0[256] = {
  0xa56363c6, 0x847c7cf8, 0x997777ee, 0x8d7b7bf6,
  0xdf2f2ff, 0xbd6b6bd6, 0xb16f6fde, 0x54c5c591,
  0x50303060, 0x3010102, 0xa96767ce, 0x7d2b2b56,
  0x19fefee7, 0x62d7d7b5, 0xe6abab4d, 0x9a7676ec,
  0x45caca8f, 0x9d82821f, 0x40c9c989, 0x877d7dfa,
  0x15fafaef, 0xeb5959b2, 0xc947478e, 0xbf0f0fb,
  0xecadad41, 0x67d4d4b3, 0xfda2a25f, 0xeaafaf45,
  0xbf9c9c23, 0xf7a4a453, 0x967272e4, 0x5bc0c09b,
  0xc2b7b775, 0x1cfdfde1, 0xae93933d, 0x6a26264c,
  0x5a36366c, 0x413f3f7e, 0x2f7f7f5, 0x4fcccc83,
  0x5c343468, 0xf4a5a551, 0x34e5e5d1, 0x8f1f1f9,
  0x937171e2, 0x73d8d8ab, 0x53313162, 0x3f15152a,
  0xc040408, 0x52c7c795, 0x65232346, 0x5ec3c39d,
  0x28181830, 0xa1969637, 0xf05050a, 0xb59a9a2f,
  0x907070e, 0x36121224, 0x9b80801b, 0x3de2e2df,
  0x26ebebcd, 0x6927274e, 0xcdb2b27f, 0x9f7575ea,
  0x1b090912, 0x9e83831d, 0x742c2c58, 0x2e1a1a34,
  0x2d1b1b36, 0xb26e6edc, 0xee5a5ab4, 0xfba0a05b,
  0xf65252a4, 0x4d3b3b76, 0x61d6d6b7, 0xceb3b37d,
  0x7b292952, 0x3ee3e3dd, 0x712f2f5e, 0x97848413,
  0xf55353a6, 0x68d1d1b9, 0x0, 0x2cededc1,
  0x60202040, 0x1ffcfce3, 0xc8b1b179, 0xed5b5bb6,
  0xbe6a6ad4, 0x46cbcb8d, 0xd9bebe67, 0x4b393972,
  0xde4a4a94, 0xd44c4c98, 0xe85858b0, 0x4acfcf85,
  0x6bd0d0bb, 0x2aefefc5, 0xe5aaaa4f, 0x16fbfbed,
  0xc5434386, 0xd74d4d9a, 0x55333366, 0x94858511,
  0xcf45458a, 0x10f9f9e9, 0x6020204, 0x817f7ffe,
  0xf05050a0, 0x443c3c78, 0xba9f9f25, 0xe3a8a84b,
  0xf35151a2, 0xfea3a35d, 0xc0404080, 0x8a8f8f05,
  0xad92923f, 0xbc9d9d21, 0x48383870, 0x4f5f5f1,
  0xdfbcbc63, 0xc1b6b677, 0x75dadaaf, 0x63212142,
  0x30101020, 0x1affffe5, 0xef3f3fd, 0x6dd2d2bf,
  0x4ccdcd81, 0x140c0c18, 0x35131326, 0x2fececc3,
  0xe15f5fbe, 0xa2979735, 0xcc444488, 0x3917172e,
  0x57c4c493, 0xf2a7a755, 0x827e7efc, 0x473d3d7a,
  0xac6464c8, 0xe75d5dba, 0x2b191932, 0x957373e6,
  0xa06060c0, 0x98818119, 0xd14f4f9e, 0x7fdcdca3,
  0x66222244, 0x7e2a2a54, 0xab90903b, 0x8388880b,
  0xca46468c, 0x29eeeec7, 0xd3b8b86b, 0x3c141428,
  0x79dedea7, 0xe25e5ebc, 0x1d0b0b16, 0x76dbdbad,
  0x3be0e0db, 0x56323264, 0x4e3a3a74, 0x1e0a0a14,
  0xdb494992, 0xa06060c, 0x6c242448, 0xe45c5cb8,
  0x5dc2c29f, 0x6ed3d3bd, 0xefacac43, 0xa66262c4,
  0xa8919139, 0xa4959531, 0x37e4e4d3, 0x8b7979f2,
  0x32e7e7d5, 0x43c8c88b, 0x5937376e, 0xb76d6dda,
  0x8c8d8d01, 0x64d5d5b1, 0xd24e4e9c, 0xe0a9a949,
  0xb46c6cd8, 0xfa5656ac, 0x7f4f4f3, 0x25eaeacf,
  0xaf6565ca, 0x8e7a7af4, 0xe9aeae47, 0x18080810,
  0xd5baba6f, 0x887878f0, 0x6f25254a, 0x722e2e5c,
  0x241c1c38, 0xf1a6a657, 0xc7b4b473, 0x51c6c697,
  0x23e8e8cb, 0x7cdddda1, 0x9c7474e8, 0x211f1f3e,
  0xdd4b4b96, 0xdcbdbd61, 0x868b8b0d, 0x858a8a0f,
  0x907070e0, 0x423e3e7c, 0xc4b5b571, 0xaa6666cc,
  0xd8484890, 0x5030306, 0x1f6f6f7, 0x120e0e1c,
  0xa36161c2, 0x5f35356a, 0xf95757ae, 0xd0b9b969,
  0x91868617, 0x58c1c199, 0x271d1d3a, 0xb99e9e27,
  0x38e1e1d9, 0x13f8f8eb, 0xb398982b, 0x33111122,
  0xbb6969d2, 0x70d9d9a9, 0x898e8e07, 0xa7949433,
  0xb69b9b2d, 0x221e1e3c, 0x92878715, 0x20e9e9c9,
  0x49cece87, 0xff5555aa, 0x78282850, 0x7adfdfa5,
  0x8f8c8c03, 0xf8a1a159, 0x80898909, 0x170d0d1a,
  0xdabfbf65, 0x31e6e6d7, 0xc6424284, 0xb86868d0,
  0xc3414182, 0xb0999929, 0x772d2d5a, 0x110f0f1e,
  0xcbb0b07b, 0xfc5454a8, 0xd6bbbb6d, 0x3a16162c};

__constant unsigned int  T1[256] = {
  0x6363c6a5, 0x7c7cf884, 0x7777ee99, 0x7b7bf68d,
  0xf2f2ff0d, 0x6b6bd6bd, 0x6f6fdeb1, 0xc5c59154,
  0x30306050, 0x1010203, 0x6767cea9, 0x2b2b567d,
  0xfefee719, 0xd7d7b562, 0xabab4de6, 0x7676ec9a,
  0xcaca8f45, 0x82821f9d, 0xc9c98940, 0x7d7dfa87,
  0xfafaef15, 0x5959b2eb, 0x47478ec9, 0xf0f0fb0b,
  0xadad41ec, 0xd4d4b367, 0xa2a25ffd, 0xafaf45ea,
  0x9c9c23bf, 0xa4a453f7, 0x7272e496, 0xc0c09b5b,
  0xb7b775c2, 0xfdfde11c, 0x93933dae, 0x26264c6a,
  0x36366c5a, 0x3f3f7e41, 0xf7f7f502, 0xcccc834f,
  0x3434685c, 0xa5a551f4, 0xe5e5d134, 0xf1f1f908,
  0x7171e293, 0xd8d8ab73, 0x31316253, 0x15152a3f,
  0x404080c, 0xc7c79552, 0x23234665, 0xc3c39d5e,
  0x18183028, 0x969637a1, 0x5050a0f, 0x9a9a2fb5,
  0x7070e09, 0x12122436, 0x80801b9b, 0xe2e2df3d,
  0xebebcd26, 0x27274e69, 0xb2b27fcd, 0x7575ea9f,
  0x909121b, 0x83831d9e, 0x2c2c5874, 0x1a1a342e,
  0x1b1b362d, 0x6e6edcb2, 0x5a5ab4ee, 0xa0a05bfb,
  0x5252a4f6, 0x3b3b764d, 0xd6d6b761, 0xb3b37dce,
  0x2929527b, 0xe3e3dd3e, 0x2f2f5e71, 0x84841397,
  0x5353a6f5, 0xd1d1b968, 0x0, 0xededc12c,
  0x20204060, 0xfcfce31f, 0xb1b179c8, 0x5b5bb6ed,
  0x6a6ad4be, 0xcbcb8d46, 0xbebe67d9, 0x3939724b,
  0x4a4a94de, 0x4c4c98d4, 0x5858b0e8, 0xcfcf854a,
  0xd0d0bb6b, 0xefefc52a, 0xaaaa4fe5, 0xfbfbed16,
  0x434386c5, 0x4d4d9ad7, 0x33336655, 0x85851194,
  0x45458acf, 0xf9f9e910, 0x2020406, 0x7f7ffe81,
  0x5050a0f0, 0x3c3c7844, 0x9f9f25ba, 0xa8a84be3,
  0x5151a2f3, 0xa3a35dfe, 0x404080c0, 0x8f8f058a,
  0x92923fad, 0x9d9d21bc, 0x38387048, 0xf5f5f104,
  0xbcbc63df, 0xb6b677c1, 0xdadaaf75, 0x21214263,
  0x10102030, 0xffffe51a, 0xf3f3fd0e, 0xd2d2bf6d,
  0xcdcd814c, 0xc0c1814, 0x13132635, 0xececc32f,
  0x5f5fbee1, 0x979735a2, 0x444488cc, 0x17172e39,
  0xc4c49357, 0xa7a755f2, 0x7e7efc82, 0x3d3d7a47,
  0x6464c8ac, 0x5d5dbae7, 0x1919322b, 0x7373e695,
  0x6060c0a0, 0x81811998, 0x4f4f9ed1, 0xdcdca37f,
  0x22224466, 0x2a2a547e, 0x90903bab, 0x88880b83,
  0x46468cca, 0xeeeec729, 0xb8b86bd3, 0x1414283c,
  0xdedea779, 0x5e5ebce2, 0xb0b161d, 0xdbdbad76,
  0xe0e0db3b, 0x32326456, 0x3a3a744e, 0xa0a141e,
  0x494992db, 0x6060c0a, 0x2424486c, 0x5c5cb8e4,
  0xc2c29f5d, 0xd3d3bd6e, 0xacac43ef, 0x6262c4a6,
  0x919139a8, 0x959531a4, 0xe4e4d337, 0x7979f28b,
  0xe7e7d532, 0xc8c88b43, 0x37376e59, 0x6d6ddab7,
  0x8d8d018c, 0xd5d5b164, 0x4e4e9cd2, 0xa9a949e0,
  0x6c6cd8b4, 0x5656acfa, 0xf4f4f307, 0xeaeacf25,
  0x6565caaf, 0x7a7af48e, 0xaeae47e9, 0x8081018,
  0xbaba6fd5, 0x7878f088, 0x25254a6f, 0x2e2e5c72,
  0x1c1c3824, 0xa6a657f1, 0xb4b473c7, 0xc6c69751,
  0xe8e8cb23, 0xdddda17c, 0x7474e89c, 0x1f1f3e21,
  0x4b4b96dd, 0xbdbd61dc, 0x8b8b0d86, 0x8a8a0f85,
  0x7070e090, 0x3e3e7c42, 0xb5b571c4, 0x6666ccaa,
  0x484890d8, 0x3030605, 0xf6f6f701, 0xe0e1c12,
  0x6161c2a3, 0x35356a5f, 0x5757aef9, 0xb9b969d0,
  0x86861791, 0xc1c19958, 0x1d1d3a27, 0x9e9e27b9,
  0xe1e1d938, 0xf8f8eb13, 0x98982bb3, 0x11112233,
  0x6969d2bb, 0xd9d9a970, 0x8e8e0789, 0x949433a7,
  0x9b9b2db6, 0x1e1e3c22, 0x87871592, 0xe9e9c920,
  0xcece8749, 0x5555aaff, 0x28285078, 0xdfdfa57a,
  0x8c8c038f, 0xa1a159f8, 0x89890980, 0xd0d1a17,
  0xbfbf65da, 0xe6e6d731, 0x424284c6, 0x6868d0b8,
  0x414182c3, 0x999929b0, 0x2d2d5a77, 0xf0f1e11,
  0xb0b07bcb, 0x5454a8fc, 0xbbbb6dd6, 0x16162c3a};

__constant unsigned int  T2[256] = {
  0x63c6a563, 0x7cf8847c, 0x77ee9977, 0x7bf68d7b,
  0xf2ff0df2, 0x6bd6bd6b, 0x6fdeb16f, 0xc59154c5,
  0x30605030, 0x1020301, 0x67cea967, 0x2b567d2b,
  0xfee719fe, 0xd7b562d7, 0xab4de6ab, 0x76ec9a76,
  0xca8f45ca, 0x821f9d82, 0xc98940c9, 0x7dfa877d,
  0xfaef15fa, 0x59b2eb59, 0x478ec947, 0xf0fb0bf0,
  0xad41ecad, 0xd4b367d4, 0xa25ffda2, 0xaf45eaaf,
  0x9c23bf9c, 0xa453f7a4, 0x72e49672, 0xc09b5bc0,
  0xb775c2b7, 0xfde11cfd, 0x933dae93, 0x264c6a26,
  0x366c5a36, 0x3f7e413f, 0xf7f502f7, 0xcc834fcc,
  0x34685c34, 0xa551f4a5, 0xe5d134e5, 0xf1f908f1,
  0x71e29371, 0xd8ab73d8, 0x31625331, 0x152a3f15,
  0x4080c04, 0xc79552c7, 0x23466523, 0xc39d5ec3,
  0x18302818, 0x9637a196, 0x50a0f05, 0x9a2fb59a,
  0x70e0907, 0x12243612, 0x801b9b80, 0xe2df3de2,
  0xebcd26eb, 0x274e6927, 0xb27fcdb2, 0x75ea9f75,
  0x9121b09, 0x831d9e83, 0x2c58742c, 0x1a342e1a,
  0x1b362d1b, 0x6edcb26e, 0x5ab4ee5a, 0xa05bfba0,
  0x52a4f652, 0x3b764d3b, 0xd6b761d6, 0xb37dceb3,
  0x29527b29, 0xe3dd3ee3, 0x2f5e712f, 0x84139784,
  0x53a6f553, 0xd1b968d1, 0x0, 0xedc12ced,
  0x20406020, 0xfce31ffc, 0xb179c8b1, 0x5bb6ed5b,
  0x6ad4be6a, 0xcb8d46cb, 0xbe67d9be, 0x39724b39,
  0x4a94de4a, 0x4c98d44c, 0x58b0e858, 0xcf854acf,
  0xd0bb6bd0, 0xefc52aef, 0xaa4fe5aa, 0xfbed16fb,
  0x4386c543, 0x4d9ad74d, 0x33665533, 0x85119485,
  0x458acf45, 0xf9e910f9, 0x2040602, 0x7ffe817f,
  0x50a0f050, 0x3c78443c, 0x9f25ba9f, 0xa84be3a8,
  0x51a2f351, 0xa35dfea3, 0x4080c040, 0x8f058a8f,
  0x923fad92, 0x9d21bc9d, 0x38704838, 0xf5f104f5,
  0xbc63dfbc, 0xb677c1b6, 0xdaaf75da, 0x21426321,
  0x10203010, 0xffe51aff, 0xf3fd0ef3, 0xd2bf6dd2,
  0xcd814ccd, 0xc18140c, 0x13263513, 0xecc32fec,
  0x5fbee15f, 0x9735a297, 0x4488cc44, 0x172e3917,
  0xc49357c4, 0xa755f2a7, 0x7efc827e, 0x3d7a473d,
  0x64c8ac64, 0x5dbae75d, 0x19322b19, 0x73e69573,
  0x60c0a060, 0x81199881, 0x4f9ed14f, 0xdca37fdc,
  0x22446622, 0x2a547e2a, 0x903bab90, 0x880b8388,
  0x468cca46, 0xeec729ee, 0xb86bd3b8, 0x14283c14,
  0xdea779de, 0x5ebce25e, 0xb161d0b, 0xdbad76db,
  0xe0db3be0, 0x32645632, 0x3a744e3a, 0xa141e0a,
  0x4992db49, 0x60c0a06, 0x24486c24, 0x5cb8e45c,
  0xc29f5dc2, 0xd3bd6ed3, 0xac43efac, 0x62c4a662,
  0x9139a891, 0x9531a495, 0xe4d337e4, 0x79f28b79,
  0xe7d532e7, 0xc88b43c8, 0x376e5937, 0x6ddab76d,
  0x8d018c8d, 0xd5b164d5, 0x4e9cd24e, 0xa949e0a9,
  0x6cd8b46c, 0x56acfa56, 0xf4f307f4, 0xeacf25ea,
  0x65caaf65, 0x7af48e7a, 0xae47e9ae, 0x8101808,
  0xba6fd5ba, 0x78f08878, 0x254a6f25, 0x2e5c722e,
  0x1c38241c, 0xa657f1a6, 0xb473c7b4, 0xc69751c6,
  0xe8cb23e8, 0xdda17cdd, 0x74e89c74, 0x1f3e211f,
  0x4b96dd4b, 0xbd61dcbd, 0x8b0d868b, 0x8a0f858a,
  0x70e09070, 0x3e7c423e, 0xb571c4b5, 0x66ccaa66,
  0x4890d848, 0x3060503, 0xf6f701f6, 0xe1c120e,
  0x61c2a361, 0x356a5f35, 0x57aef957, 0xb969d0b9,
  0x86179186, 0xc19958c1, 0x1d3a271d, 0x9e27b99e,
  0xe1d938e1, 0xf8eb13f8, 0x982bb398, 0x11223311,
  0x69d2bb69, 0xd9a970d9, 0x8e07898e, 0x9433a794,
  0x9b2db69b, 0x1e3c221e, 0x87159287, 0xe9c920e9,
  0xce8749ce, 0x55aaff55, 0x28507828, 0xdfa57adf,
  0x8c038f8c, 0xa159f8a1, 0x89098089, 0xd1a170d,
  0xbf65dabf, 0xe6d731e6, 0x4284c642, 0x68d0b868,
  0x4182c341, 0x9929b099, 0x2d5a772d, 0xf1e110f,
  0xb07bcbb0, 0x54a8fc54, 0xbb6dd6bb, 0x162c3a16};

__constant unsigned int T3[256] = {
  0xc6a56363, 0xf8847c7c, 0xee997777, 0xf68d7b7b,
  0xff0df2f2, 0xd6bd6b6b, 0xdeb16f6f, 0x9154c5c5,
  0x60503030, 0x2030101, 0xcea96767, 0x567d2b2b,
  0xe719fefe, 0xb562d7d7, 0x4de6abab, 0xec9a7676,
  0x8f45caca, 0x1f9d8282, 0x8940c9c9, 0xfa877d7d,
  0xef15fafa, 0xb2eb5959, 0x8ec94747, 0xfb0bf0f0,
  0x41ecadad, 0xb367d4d4, 0x5ffda2a2, 0x45eaafaf,
  0x23bf9c9c, 0x53f7a4a4, 0xe4967272, 0x9b5bc0c0,
  0x75c2b7b7, 0xe11cfdfd, 0x3dae9393, 0x4c6a2626,
  0x6c5a3636, 0x7e413f3f, 0xf502f7f7, 0x834fcccc,
  0x685c3434, 0x51f4a5a5, 0xd134e5e5, 0xf908f1f1,
  0xe2937171, 0xab73d8d8, 0x62533131, 0x2a3f1515,
  0x80c0404, 0x9552c7c7, 0x46652323, 0x9d5ec3c3,
  0x30281818, 0x37a19696, 0xa0f0505, 0x2fb59a9a,
  0xe090707, 0x24361212, 0x1b9b8080, 0xdf3de2e2,
  0xcd26ebeb, 0x4e692727, 0x7fcdb2b2, 0xea9f7575,
  0x121b0909, 0x1d9e8383, 0x58742c2c, 0x342e1a1a,
  0x362d1b1b, 0xdcb26e6e, 0xb4ee5a5a, 0x5bfba0a0,
  0xa4f65252, 0x764d3b3b, 0xb761d6d6, 0x7dceb3b3,
  0x527b2929, 0xdd3ee3e3, 0x5e712f2f, 0x13978484,
  0xa6f55353, 0xb968d1d1, 0x0, 0xc12ceded,
  0x40602020, 0xe31ffcfc, 0x79c8b1b1, 0xb6ed5b5b,
  0xd4be6a6a, 0x8d46cbcb, 0x67d9bebe, 0x724b3939,
  0x94de4a4a, 0x98d44c4c, 0xb0e85858, 0x854acfcf,
  0xbb6bd0d0, 0xc52aefef, 0x4fe5aaaa, 0xed16fbfb,
  0x86c54343, 0x9ad74d4d, 0x66553333, 0x11948585,
  0x8acf4545, 0xe910f9f9, 0x4060202, 0xfe817f7f,
  0xa0f05050, 0x78443c3c, 0x25ba9f9f, 0x4be3a8a8,
  0xa2f35151, 0x5dfea3a3, 0x80c04040, 0x58a8f8f,
  0x3fad9292, 0x21bc9d9d, 0x70483838, 0xf104f5f5,
  0x63dfbcbc, 0x77c1b6b6, 0xaf75dada, 0x42632121,
  0x20301010, 0xe51affff, 0xfd0ef3f3, 0xbf6dd2d2,
  0x814ccdcd, 0x18140c0c, 0x26351313, 0xc32fecec,
  0xbee15f5f, 0x35a29797, 0x88cc4444, 0x2e391717,
  0x9357c4c4, 0x55f2a7a7, 0xfc827e7e, 0x7a473d3d,
  0xc8ac6464, 0xbae75d5d, 0x322b1919, 0xe6957373,
  0xc0a06060, 0x19988181, 0x9ed14f4f, 0xa37fdcdc,
  0x44662222, 0x547e2a2a, 0x3bab9090, 0xb838888,
  0x8cca4646, 0xc729eeee, 0x6bd3b8b8, 0x283c1414,
  0xa779dede, 0xbce25e5e, 0x161d0b0b, 0xad76dbdb,
  0xdb3be0e0, 0x64563232, 0x744e3a3a, 0x141e0a0a,
  0x92db4949, 0xc0a0606, 0x486c2424, 0xb8e45c5c,
  0x9f5dc2c2, 0xbd6ed3d3, 0x43efacac, 0xc4a66262,
  0x39a89191, 0x31a49595, 0xd337e4e4, 0xf28b7979,
  0xd532e7e7, 0x8b43c8c8, 0x6e593737, 0xdab76d6d,
  0x18c8d8d, 0xb164d5d5, 0x9cd24e4e, 0x49e0a9a9,
  0xd8b46c6c, 0xacfa5656, 0xf307f4f4, 0xcf25eaea,
  0xcaaf6565, 0xf48e7a7a, 0x47e9aeae, 0x10180808,
  0x6fd5baba, 0xf0887878, 0x4a6f2525, 0x5c722e2e,
  0x38241c1c, 0x57f1a6a6, 0x73c7b4b4, 0x9751c6c6,
  0xcb23e8e8, 0xa17cdddd, 0xe89c7474, 0x3e211f1f,
  0x96dd4b4b, 0x61dcbdbd, 0xd868b8b, 0xf858a8a,
  0xe0907070, 0x7c423e3e, 0x71c4b5b5, 0xccaa6666,
  0x90d84848, 0x6050303, 0xf701f6f6, 0x1c120e0e,
  0xc2a36161, 0x6a5f3535, 0xaef95757, 0x69d0b9b9,
  0x17918686, 0x9958c1c1, 0x3a271d1d, 0x27b99e9e,
  0xd938e1e1, 0xeb13f8f8, 0x2bb39898, 0x22331111,
  0xd2bb6969, 0xa970d9d9, 0x7898e8e, 0x33a79494,
  0x2db69b9b, 0x3c221e1e, 0x15928787, 0xc920e9e9,
  0x8749cece, 0xaaff5555, 0x50782828, 0xa57adfdf,
  0x38f8c8c, 0x59f8a1a1, 0x9808989, 0x1a170d0d,
  0x65dabfbf, 0xd731e6e6, 0x84c64242, 0xd0b86868,
  0x82c34141, 0x29b09999, 0x5a772d2d, 0x1e110f0f,
  0x7bcbb0b0, 0xa8fc5454, 0x6dd6bbbb, 0x2c3a1616};


__kernel void aes_ecb(__global unsigned char *key,
		      __global unsigned int *expKeyPtr,
		      __global unsigned char *plaintext, 
		      __global unsigned char *ciphertext,
		      //__global unsigned int *expKey, // TODO: delete
		      unsigned int offset)
{
  // Get local and global identifiers
  const unsigned int gIdx = get_global_id(0) + offset;
  const unsigned int idx = get_local_id(0);

  __global unsigned int *plainPtr = (__global unsigned int*)plaintext;
  __global unsigned int *cipherPtr = (__global unsigned int*)ciphertext;
  
  //__local unsigned int state[4], tmpState[4];
  unsigned int state[4], tmpState[4];
  unsigned int tmp;
  
  // First workitem of each workgroup compute the expanded key on-the-fly
  if (!gIdx)
  {
    
    
    // First 16 bytes are the encryption key
    expKeyPtr[0] = ((__global unsigned int*)key)[0];
    expKeyPtr[1] = ((__global unsigned int*)key)[1];
    expKeyPtr[2] = ((__global unsigned int*)key)[2];
    expKeyPtr[3] = ((__global unsigned int*)key)[3];

    // Round 1
    // Get the values of the previous 4 bytes of the expanded key
    tmp = expKeyPtr[3];

    // Perform key schedule core on tmp:
    // TODO: 
    // - handle big endian?
    // - join in a single step?
    // 1- rotate
    tmp = (tmp>>8)^(tmp<<24);

    // TODO: join 2 and 3 in a single step
    // 2 - apply SBOX
    tmp = (SBOX[tmp>>24]<<24)        ^
	  (SBOX[(tmp>>16)&0xff]<<16) ^
	  (SBOX[(tmp>>8)&0xff]<<8)   ^
	  (SBOX[tmp&0xff]);

    // 3 - perform RCON(i) and xor with the first byte of tmp
    tmp ^= RCON[1];

    // Done with key schedule core

    // Get first 4 bytes of the key expansion by xor-ing tmp with the 4 bytes 16 bytes before
    expKeyPtr[4] = tmp ^ expKeyPtr[0];
    
    // Do the same for the remaining 12 bytes of the expanded key
    expKeyPtr[5] = expKeyPtr[4] ^ expKeyPtr[1];
    expKeyPtr[6] = expKeyPtr[5] ^ expKeyPtr[2];
    expKeyPtr[7] = expKeyPtr[6] ^ expKeyPtr[3];
    
    // Round 2
    //j=i<<2;
    tmp = expKeyPtr[7];

    tmp = (tmp>>8)^(tmp<<24);

    tmp = (SBOX[tmp>>24]<<24)        ^
	  (SBOX[(tmp>>16)&0xff]<<16) ^
	  (SBOX[(tmp>>8)&0xff]<<8)   ^
	  (SBOX[tmp&0xff]);

    tmp ^= RCON[2];

    expKeyPtr[8] = tmp ^ expKeyPtr[4];
    expKeyPtr[9] = expKeyPtr[8]   ^ expKeyPtr[5];
    expKeyPtr[10] = expKeyPtr[9]  ^ expKeyPtr[6];
    expKeyPtr[11] = expKeyPtr[10] ^ expKeyPtr[7];    
    
    // Round 3
    //j=i<<2;
    tmp = expKeyPtr[11];

    tmp = (tmp>>8)^(tmp<<24);

    tmp = (SBOX[tmp>>24]<<24)        ^
	  (SBOX[(tmp>>16)&0xff]<<16) ^
	  (SBOX[(tmp>>8)&0xff]<<8)   ^
	  (SBOX[tmp&0xff]);

    tmp ^= RCON[3];

    expKeyPtr[12] = tmp ^ expKeyPtr[8];
    expKeyPtr[13] = expKeyPtr[12]   ^ expKeyPtr[9];
    expKeyPtr[14] = expKeyPtr[13] ^ expKeyPtr[10];
    expKeyPtr[15] = expKeyPtr[14] ^ expKeyPtr[11];
    
    
    // Round 4
    //j=i<<2;
    tmp = expKeyPtr[15];

    tmp = (tmp>>8)^(tmp<<24);

    tmp = (SBOX[tmp>>24]<<24)        ^
	  (SBOX[(tmp>>16)&0xff]<<16) ^
	  (SBOX[(tmp>>8)&0xff]<<8)   ^
	  (SBOX[tmp&0xff]);

    tmp ^= RCON[4];

    expKeyPtr[16] = tmp ^ expKeyPtr[12];
    expKeyPtr[17] = expKeyPtr[16] ^ expKeyPtr[13];
    expKeyPtr[18] = expKeyPtr[17] ^ expKeyPtr[14];
    expKeyPtr[19] = expKeyPtr[18] ^ expKeyPtr[15];
    
    
    // Round 5
    //j=i<<2;
    tmp = expKeyPtr[19];

    tmp = (tmp>>8)^(tmp<<24);

    tmp = (SBOX[tmp>>24]<<24)        ^
	  (SBOX[(tmp>>16)&0xff]<<16) ^
	  (SBOX[(tmp>>8)&0xff]<<8)   ^
	  (SBOX[tmp&0xff]);

    tmp ^= RCON[5];

    expKeyPtr[20] = tmp ^ expKeyPtr[16];
    expKeyPtr[21] = expKeyPtr[20] ^ expKeyPtr[17];
    expKeyPtr[22] = expKeyPtr[21] ^ expKeyPtr[18];
    expKeyPtr[23] = expKeyPtr[22] ^ expKeyPtr[19];
    
    
    // Round 6
    //j=i<<2;
    tmp = expKeyPtr[23];

    tmp = (tmp>>8)^(tmp<<24);

    tmp = (SBOX[tmp>>24]<<24)        ^
	  (SBOX[(tmp>>16)&0xff]<<16) ^
	  (SBOX[(tmp>>8)&0xff]<<8)   ^
	  (SBOX[tmp&0xff]);

    tmp ^= RCON[6];

    expKeyPtr[24] = tmp ^ expKeyPtr[20];
    expKeyPtr[25] = expKeyPtr[24]   ^ expKeyPtr[21];
    expKeyPtr[26] = expKeyPtr[25] ^ expKeyPtr[22];
    expKeyPtr[27] = expKeyPtr[26] ^ expKeyPtr[23];
    
    
    // Round 7
    //j=i<<2;
    tmp = expKeyPtr[27];

    tmp = (tmp>>8)^(tmp<<24);

    tmp = (SBOX[tmp>>24]<<24)        ^
	  (SBOX[(tmp>>16)&0xff]<<16) ^
	  (SBOX[(tmp>>8)&0xff]<<8)   ^
	  (SBOX[tmp&0xff]);

    tmp ^= RCON[7];

    expKeyPtr[28] = tmp ^ expKeyPtr[24];
    expKeyPtr[29] = expKeyPtr[28] ^ expKeyPtr[25];
    expKeyPtr[30] = expKeyPtr[29] ^ expKeyPtr[26];
    expKeyPtr[31] = expKeyPtr[30] ^ expKeyPtr[27];
    
    
    // Round 8
    //j=i<<2;
    tmp = expKeyPtr[31];

    tmp = (tmp>>8)^(tmp<<24);

    tmp = (SBOX[tmp>>24]<<24)        ^
	  (SBOX[(tmp>>16)&0xff]<<16) ^
	  (SBOX[(tmp>>8)&0xff]<<8)   ^
	  (SBOX[tmp&0xff]);

    tmp ^= RCON[8];

    expKeyPtr[32] = tmp ^ expKeyPtr[28];
    expKeyPtr[33] = expKeyPtr[32]   ^ expKeyPtr[29];
    expKeyPtr[34] = expKeyPtr[33] ^ expKeyPtr[30];
    expKeyPtr[35] = expKeyPtr[34] ^ expKeyPtr[31];
    
    
    // Round 9
    //j=i<<2;
    tmp = expKeyPtr[35];

    tmp = (tmp>>8)^(tmp<<24);

    tmp = (SBOX[tmp>>24]<<24)        ^
	  (SBOX[(tmp>>16)&0xff]<<16) ^
	  (SBOX[(tmp>>8)&0xff]<<8)   ^
	  (SBOX[tmp&0xff]);

    tmp ^= RCON[9];

    expKeyPtr[36] = tmp ^ expKeyPtr[32];
    expKeyPtr[37] = expKeyPtr[36] ^ expKeyPtr[33];
    expKeyPtr[38] = expKeyPtr[37] ^ expKeyPtr[34];
    expKeyPtr[39] = expKeyPtr[38] ^ expKeyPtr[35];
    
    
    // Round 10
    //j=i<<2;
    tmp = expKeyPtr[39];

    tmp = (tmp>>8)^(tmp<<24);

    tmp = (SBOX[tmp>>24]<<24)        ^
	  (SBOX[(tmp>>16)&0xff]<<16) ^
	  (SBOX[(tmp>>8)&0xff]<<8)   ^
	  (SBOX[tmp&0xff]);

    tmp ^= RCON[10];

    expKeyPtr[40] = tmp ^ expKeyPtr[36];
    expKeyPtr[41] = expKeyPtr[40] ^ expKeyPtr[37];
    expKeyPtr[42] = expKeyPtr[41] ^ expKeyPtr[38];
    expKeyPtr[43] = expKeyPtr[42] ^ expKeyPtr[39];
    
    // DONE
    
    
    // TODO: delete
    //for (int i=0;i<44;i++) expKey[i]=expKeyPtr[i];
    
    barrier(CLK_GLOBAL_MEM_FENCE);
  }
  else
  {
    barrier(CLK_GLOBAL_MEM_FENCE);
  }
  

  // Each thread in a work group copy one entry of each T-table inside shared memory.
  // That means that at least 256 work items per-workgroup must be launched. This also
  // implies a min file size of 4KB
  // TODO: generalize to arbitrary file size - work group size?
  // TODO: handle cases were file size is not a multiple of 256, that is, there could be
  // workgroups with size less than 256


  // TODO: async copy to local memory during key scheduling
  // Get single plaintext 128-bit block to encrypt
  state[0] = plainPtr[gIdx<<2];
  state[1] = plainPtr[1 + (gIdx<<2)];
  state[2] = plainPtr[2 + (gIdx<<2)];
  state[3] = plainPtr[3 + (gIdx<<2)];

  
  //----------------------------------------------------------------/
  // II - Perform initial round                                     /
  //----------------------------------------------------------------/
  // AddRoundKey: combine each byte of the block with the bytes of the
  // first round key using an XOR operation
  state[0] ^= expKeyPtr[0];
  state[1] ^= expKeyPtr[1];
  state[2] ^= expKeyPtr[2];
  state[3] ^= expKeyPtr[3];

  
  //----------------------------------------------------------------/
  //  III - Perform middle rounds                                   /
  //----------------------------------------------------------------/
  
  // TODO: replace sums between index and offset with the correspondent value
  
  // Round 1
  tmpState[0]= T0[(state[0]&0xff)] ^
               T1[(state[1]>>8)&0xff] ^
               T2[(state[2]>>16)&0xff] ^
               T3[(state[3])>>24] ^ expKeyPtr[4];
  tmpState[1]= T0[(state[1]&0xff)] ^
               T1[(state[2]>>8)&0xff] ^
               T2[(state[3]>>16)&0xff] ^
               T3[(state[4])>>24] ^ expKeyPtr[5];
  tmpState[2]= T0[(state[2]&0xff)] ^
               T1[(state[3]>>8)&0xff] ^
               T2[(state[0]>>16)&0xff] ^
               T3[(state[1])>>24] ^ expKeyPtr[6];
  tmpState[3]= T0[(state[3]&0xff)] ^
               T1[(state[0]>>8)&0xff] ^
               T2[(state[1]>>16)&0xff] ^
               T3[(state[2])>>24] ^ expKeyPtr[7];
  
  // Round 2
  state[0]= T0[(tmpState[0]&0xff)] ^
            T1[(tmpState[1]>>8)&0xff] ^
            T2[(tmpState[2]>>16)&0xff] ^
            T3[(tmpState[3])>>24] ^ expKeyPtr[8];
  state[1]= T0[(tmpState[1]&0xff)] ^
            T1[(tmpState[2]>>8)&0xff] ^
            T2[(tmpState[3]>>16)&0xff] ^
            T3[(tmpState[0])>>24] ^ expKeyPtr[9];
  state[2]= T0[(tmpState[2]&0xff)] ^
            T1[(tmpState[3]>>8)&0xff] ^
            T2[(tmpState[0]>>16)&0xff] ^
            T3[(tmpState[1])>>24] ^ expKeyPtr[10];
  state[3]= T0[(tmpState[3]&0xff)] ^
            T1[(tmpState[0]>>8)&0xff] ^
            T2[(tmpState[1]>>16)&0xff] ^
            T3[(tmpState[2])>>24] ^ expKeyPtr[11];
  
  // Round 3
  tmpState[0]= T0[(state[0]&0xff)] ^
               T1[(state[1]>>8)&0xff] ^
               T2[(state[2]>>16)&0xff] ^
               T3[(state[3])>>24] ^ expKeyPtr[12];
  tmpState[1]= T0[(state[1]&0xff)] ^
               T1[(state[2]>>8)&0xff] ^
               T2[(state[3]>>16)&0xff] ^
               T3[(state[0])>>24] ^ expKeyPtr[13];
  tmpState[2]= T0[(state[2]&0xff)] ^
               T1[(state[3]>>8)&0xff] ^
               T2[(state[0]>>16)&0xff] ^
               T3[(state[1])>>24] ^ expKeyPtr[14];
  tmpState[3]= T0[(state[3]&0xff)] ^
               T1[(state[0]>>8)&0xff] ^
               T2[(state[1]>>16)&0xff] ^
               T3[(state[2])>>24] ^ expKeyPtr[15];

  // Round 4
  state[0]= T0[(tmpState[0]&0xff)] ^
            T1[(tmpState[1]>>8)&0xff] ^
            T2[(tmpState[2]>>16)&0xff] ^
            T3[(tmpState[3])>>24] ^ expKeyPtr[16];
  state[1]= T0[(tmpState[1]&0xff)] ^
            T1[(tmpState[2]>>8)&0xff] ^
            T2[(tmpState[3]>>16)&0xff] ^
            T3[(tmpState[0])>>24] ^ expKeyPtr[17];
  state[2]= T0[(tmpState[2]&0xff)] ^
            T1[(tmpState[3]>>8)&0xff] ^
            T2[(tmpState[0]>>16)&0xff] ^
            T3[(tmpState[1])>>24] ^ expKeyPtr[18];
  state[3]= T0[(tmpState[3]&0xff)] ^
            T1[(tmpState[0]>>8)&0xff] ^
            T2[(tmpState[1]>>16)&0xff] ^
            T3[(tmpState[2])>>24] ^ expKeyPtr[19];

  // Round 5
  tmpState[0]= T0[(state[0]&0xff)] ^
               T1[(state[1]>>8)&0xff] ^
               T2[(state[2]>>16)&0xff] ^
               T3[(state[3])>>24] ^ expKeyPtr[20];
  tmpState[1]= T0[(state[1]&0xff)] ^
               T1[(state[2]>>8)&0xff] ^
               T2[(state[3]>>16)&0xff] ^
               T3[(state[0])>>24] ^ expKeyPtr[21];
  tmpState[2]= T0[(state[2]&0xff)] ^
               T1[(state[3]>>8)&0xff] ^
               T2[(state[0]>>16)&0xff] ^
               T3[(state[1])>>24] ^ expKeyPtr[22];
  tmpState[3]= T0[(state[3]&0xff)] ^
               T1[(state[0]>>8)&0xff] ^
               T2[(state[1]>>16)&0xff] ^
               T3[(state[2])>>24] ^ expKeyPtr[23];

  // Round 6
  state[0]= T0[(tmpState[0]&0xff)] ^
            T1[(tmpState[1]>>8)&0xff] ^
            T2[(tmpState[2]>>16)&0xff] ^
            T3[(tmpState[3])>>24] ^ expKeyPtr[24];
  state[1]= T0[(tmpState[1]&0xff)] ^
            T1[(tmpState[2]>>8)&0xff] ^
            T2[(tmpState[3]>>16)&0xff] ^
            T3[(tmpState[0])>>24] ^ expKeyPtr[25];
  state[2]= T0[(tmpState[2]&0xff)] ^
            T1[(tmpState[3]>>8)&0xff] ^
            T2[(tmpState[0]>>16)&0xff] ^
            T3[(tmpState[1])>>24] ^ expKeyPtr[26];
  state[3]= T0[(tmpState[3]&0xff)] ^
            T1[(tmpState[0]>>8)&0xff] ^
            T2[(tmpState[1]>>16)&0xff] ^
            T3[(tmpState[2])>>24] ^ expKeyPtr[27];

  // Round 7
  tmpState[0]= T0[(state[0]&0xff)] ^
               T1[(state[1]>>8)&0xff] ^
               T2[(state[2]>>16)&0xff] ^
               T3[(state[3])>>24] ^ expKeyPtr[28];
  tmpState[1]= T0[(state[1]&0xff)] ^
               T1[(state[2]>>8)&0xff] ^
               T2[(state[3]>>16)&0xff] ^
               T3[(state[0])>>24] ^ expKeyPtr[29];
  tmpState[2]= T0[(state[2]&0xff)] ^
               T1[(state[3]>>8)&0xff] ^
               T2[(state[0]>>16)&0xff] ^
               T3[(state[1])>>24] ^ expKeyPtr[30];
  tmpState[3]= T0[(state[3]&0xff)] ^
               T1[(state[0]>>8)&0xff] ^
               T2[(state[1]>>16)&0xff] ^
               T3[(state[2])>>24] ^ expKeyPtr[31];

  // Round 8
  state[0]= T0[(tmpState[0]&0xff)] ^
            T1[(tmpState[1]>>8)&0xff] ^
            T2[(tmpState[2]>>16)&0xff] ^
            T3[(tmpState[3])>>24] ^ expKeyPtr[32];
  state[1]= T0[(tmpState[1]&0xff)] ^
            T1[(tmpState[2]>>8)&0xff] ^
            T2[(tmpState[3]>>16)&0xff] ^
            T3[(tmpState[0])>>24] ^ expKeyPtr[33];
  state[2]= T0[(tmpState[2]&0xff)] ^
            T1[(tmpState[3]>>8)&0xff] ^
            T2[(tmpState[0]>>16)&0xff] ^
            T3[(tmpState[1])>>24] ^ expKeyPtr[34];
  state[3]= T0[(tmpState[3]&0xff)] ^
            T1[(tmpState[0]>>8)&0xff] ^
            T2[(tmpState[1]>>16)&0xff] ^
            T3[(tmpState[2])>>24] ^ expKeyPtr[35];
  

  // Round 9
  tmpState[0]= T0[(state[0]&0xff)] ^
               T1[(state[1]>>8)&0xff] ^
               T2[(state[2]>>16)&0xff] ^
               T3[(state[3])>>24] ^ expKeyPtr[36];
  tmpState[1]= T0[(state[1]&0xff)] ^
               T1[(state[2]>>8)&0xff] ^
               T2[(state[3]>>16)&0xff] ^
               T3[(state[0])>>24] ^ expKeyPtr[37];
  tmpState[2]= T0[(state[2]&0xff)] ^
               T1[(state[3]>>8)&0xff] ^
               T2[(state[0]>>16)&0xff] ^
               T3[(state[1])>>24] ^ expKeyPtr[38];
  tmpState[3]= T0[(state[3]&0xff)] ^
               T1[(state[0]>>8)&0xff] ^
               T2[(state[1]>>16)&0xff] ^
               T3[(state[2])>>24] ^ expKeyPtr[39];
  

  //----------------------------------------------------------------/
  //  III - Perform final round                                     /
  //----------------------------------------------------------------/
  state[0]= (T2[(tmpState[0]&0xff)] &0x000000ff) ^ 
            (T3[(tmpState[1]>>8)&0xff] &0x0000ff00) ^
            (T0[(tmpState[2]>>16)&0xff] &0x00ff0000) ^
            (T1[(tmpState[3])>>24] &0xff000000) ^ expKeyPtr[40];
  state[1]= (T2[(tmpState[1]&0xff)] &0x000000ff) ^
            (T3[(tmpState[2]>>8)&0xff] &0x0000ff00) ^
            (T0[(tmpState[3]>>16)&0xff] &0x00ff0000) ^
            (T1[(tmpState[0])>>24] &0xff000000) ^ expKeyPtr[41];
  state[2]= (T2[(tmpState[2]&0xff)] &0x000000ff) ^
            (T3[(tmpState[3]>>8)&0xff] &0x0000ff00) ^
            (T0[(tmpState[0]>>16)&0xff] &0x00ff0000) ^
            (T1[(tmpState[1])>>24] &0xff000000) ^ expKeyPtr[42];
  state[3]= (T2[(tmpState[3]&0xff)] &0x000000ff) ^
            (T3[(tmpState[0]>>8)&0xff] &0x0000ff00) ^
            (T0[(tmpState[1]>>16)&0xff] &0x00ff0000) ^
            (T1[(tmpState[2])>>24] &0xff000000) ^ expKeyPtr[43];

  
  // DONE WITH ENCRYPTION
  
  
  // Copy state back to global memory
  cipherPtr[gIdx<<2] = state[0];
  cipherPtr[1 + (gIdx<<2)] = state[1];
  cipherPtr[2 + (gIdx<<2)] = state[2];
  cipherPtr[3 + (gIdx<<2)] = state[3];
  
}
